Matematyka 7
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3.1. Kąty<br />
125<br />
ĆWICZENIE 1.<br />
xyz<br />
<br />
<br />
<br />
<br />
<br />
PRZYKŁAD 2.<br />
kl mn<br />
abc.<br />
Rozwiązanie:<br />
b<br />
°b = 73 ° .<br />
dd<br />
b<br />
d = b = 73 ° .<br />
cd<br />
c = 180°− d = 180°− 73° = 107°<br />
<br />
ac<br />
a = c = 17 0 ° .
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